Logic board Q

Does anyone know if a logic board from Dual USB G3 12" will fit in a Dual USB G3 14"?

I'm gonna have to go with "no". Sorry.
I really don't think a 12" logic board will have the same dimensions as a 14" logic board. You could likely hook everything up, but then assembling the case around it won't make all the ports and cables match.

Similar Messages

New MBP logic board and wireless internet does not work anymore

hi there
i had to change the logic board in my only 2 years old MBP15". i purchased a new one and put it in by myself (relatively easy task). i still use the same internal HD as this one still works fine, so all data are the same.
however, the new logic board has obviously a different "identity" from my old one, it came with a sticker which says "ethernet ID 001FF3513E7A" which is different from before. this may be the reason i can still access my wireless network at home, but the self assigned IP address prevents me from connecting to the internet. all settings are as before and it worked always without a problem.
all settings were "automatic" before (using DHCP), and i use exactly the same settings again, but no success. i have to add that i use a new mac mini in the same network with absolutely identical settings (automatic) and this one receives a free IP address from the router (which is only in the last number different from the router's), but the MBP shows a totally different IP address.
i could finally fix it switching to "manual" and adding the same IP address the mini is using and just changed the last number, which has to be different from the time capsule i use as wireless device and the mini. like this everything works just fine.
but why does the mac mini perform everything automatic and the MBP (even with the new ethernet ID - and especially since i connect wireless and not using ethernet) is not able to do so?
i worry if i want to use the internet in any wifi hot spot i may run into troubles...
any idea what the difference between these two machines (with identical settings) is?
thanks and cheers
george

Thank you. It didn't work unfortunately :((
Here are my router's details (Huawei):
Product name HG655b
Device ID 00E0FC-21530307237S0B028701
Hardware version VER.C
Firmware version V100R001C02B018
Batch number RWC3P0.010.29066
Physical address 5C:4C:A9:A5:41:B0
System up time 0 days 0 hours 15 minutes 56 seconds
I don't have Mac filtering enabled.
Now it doesn't even find the wireless network anymore...
My computer and itouch are connected to WAP, but the iphone could not connect to WAP, but only WEP.
Any other ideas?
Thanks a lot!

Has the NVidia GeForce 8600M GT logic board replacement program been extended by a year?

I have heard that the logic board replacement program for MacBooks Pro with the failed NVidia 8600M GT chip has been extended from 3 to 4 years after the date of original purchase. However, a local AASP had no knowledge of such an extension. Is this true? I have a MacBook Pro 17" 2.6GHz that was purchased in 2008.

eww wrote:
when you took it in, it had been more than four years since your 2007 machine was originally sold, that's why you got the response you did.
Actually it was within the time frame, it felt like it was just last month, when it was like several months ago.
Just dragged the 15" recently out to see to use it for testing *cough* and low and behold it's worthless now.
The problem I have is I told them at the Genius Bar the video was going, but couldn't prove it as it was very rare it occured.
But they ran their little tests and gave me a load of crap, now it's dead. $2500 down the toilet.
I know what did it, Lion. Lion was the cause, it ran like a fine machine under Snow, fscking Lion, I'm glad I didn't put that POS on my new 17"
http://reviews.cnet.com/8301-13727_7-20091204-263/graphics-issues-plaguing-os-x- 10.7-lion-upgrades/
My word the OP, don't let the Genius Bar screw you with the same crap they gave me, call corporate and raise ****!

IPhone 5S 32GB Logic Board Repair

So several months ago I attempted to repair the cracked screen on my black 32 gb iphone 5S on my own. It did not work out. I ended up breaking the logic board and now the phone is basically unusable. I've been using my iPhone 4S for the past few months and it ***** so bad. I just want my 5S back but now apple won't touch it and no one offers repairs for the logic boards on the 5S that I can find. Anyone know of a solution or someone who offers the service. Because I can't stand the crap battery on the 4S and I miss my 5S I had only had it for like, 2 months.

I know of 2 services that repair logic board damage depending on your issue and your location in the U.S. One is eDigitalNY which is on the east coast and offers their repair services on eBay in addition to their website. They guarantee their repair work. Just ship them the logic board (shipping to and from is included in the repair cost) and they will fix it. If for some reason your board is "toast" and can't be fixed, they will refund your money. The second option on the west coast is The Repair Stop. Like eDNY, all repair work is guaranteed. TRS is a bit pricier but they are the go to guys for water damage repair, an area of repair from which many others shy away.

Problem with Logic Board in a Macbook Pro 15" 2011 in Argentina

Hi I am from Argentina and I am reporting a problem I've had a few weeks ago:
I was working with my computer (MacBook Pro 15 inch Late 2011) and it suddenly stopped working; the screen was frozen. I proceeded to restart it, but it couldn't enter the operative system, showing a gray screen.
Given this huge problem, I took my MacBook Pro to an authorized support centre in my country (Mac Station, 1184 Ayacucho , Buenos Aires - Argentina). The people there told me that the Logic Board was damaged. For this reason they set a budget of 2.440 dollars for the replacement part – plus the installation cost of 120 dollars. They were trying to charge me the equivalent to a new MacBook Pro model MGXC2LL/A purchased in the USA.
On the web it is documented that the 2011 MacBook Pro has recurrent failures on the Logic Board. How can it be that the total cost of repair in my country is five times the cost of repairing it in the United States? I think their official resellers in Argentina are taking advantage of us.
How I can get in touch with Apple support or someone who can give me a reason for that cost? Can I recieve official Apple answer in this comunity?
In advance: I haven't got Apple Care because Official Reseller from Argentina said me that Apple had discontinued in South America.
Maria Emilia
Buenos Aires, Argentina

Thanks muchly will check it out now.

How's your Mid 2010 MacBook Pro doing after changing logic board due to BSoD?

After this very long discussion:
https://discussions.apple.com/message/15665312#15665312
In which a lot of people had BSoD problems after upgrading to Lion, and then have solved the issue by having the logic board replaced, I'd like to ask, specially for those who have done it earlier, a few months ago or so: did you have any problem with your 2010 MacBook Pro 15" since then?
I'd like to know it because, by reading that thread, I have reasons to believe that the problem may arise again after some time.
I had the same issue with my MBP, but I'm still on Snow Leopard. I had the logic board replaced more than once (actually 3 times), and everything is ok since then.
Now I've been pushed to upgrade to Lion so that I can continue using iCloud. So i'd like to know what are my chances of going into that nightmare again.
Any info will be appreciated.

Greetings,
I've never heard of this issue - I have two MBP Mid 2010, and both are running Lion with all updates, and there are no issues of any kind. One of the graphic shops I work with has 15 Mid 2010 MBP, all running Lion, and there are no isues with them.
We use a lot of high end software, but no games, of course, just business and graphics apps. There have been no issues with Mail, Calendars, Addressbooks, etc, except for wanting a few more features, here and there,
which we will get in time.
Bad apps are the usual culprit, when there are problems with Macs, and they are not always easy to locate, so I just reload from scratch, and thet will usualy fix a lot of ills, if the normal troubleshooting tools don't resolve the problem. Fortunately we have had very very few issues with our Macs going back to the late 90s, and earlier - they just work, and work.
Try a reload if you have troubles.
Cheers,
M.

Mid-2010 MacBook Pro 15" 2.8 GHz Logic Board Part Number

Hi all,
I have been searching for a few hours trying to find the part number for the logic board one of my MBPs. I, unfortunately, have the Mid-2010 15" MBP with the bad GPU that results in endless kernel panics. (I also had the first Pentium chip, the pentium 60 with the floating point error in 1995 too). I upgraded the MBP to the 2.8 GHz, core i7 (2 core) processor when I ordered it in 2010.
Anyway, the apple tech guide exploded view does not show the part number for the 2.8 GHz. It only shows the part numbers for the other 3 configurations - 2.4, 2.53 and 2.66. I took the cover and discovered my my EEE code is "QAG".
I have just started trying to figure this issue out (too much time has passed and Apple will charge me to fix). I want to try and find a replacement logic board and do it myself. Does anyone have an idea what my part number is for the logic board? None of the sites I searched have a 2.8 GHz board listed just 2.66.
An alternative question - In my PC building days, some motherboards were compatible with multiple speeds of main processors. My computer model number
MC373LL/A
is the same as the 2.66GHz model. Does the 2.66 GHz logic board support the 2.8 core i7 too? I don't want to screw up and order the wrong part.
OSX Yosemite is installed.
Thanks,
Tony

http://www.powerbookmedic.com/MacBook-Pro-15-Unibody-28GHz-Core-i7-Logic-Board-p -36842.html

Mid 2010 MacBook Pro - Logic Board Failure - Advice Needed

Hello all,
I could really use some advice.
I have a MacBook Pro that I bought through the Apple Online Store roughly around September of 2010. A couple of weeks after buying it I had to take it to the Apple Store in London's White City due to a keyboard backlight issue. About a week later I collected the MBP and the following day had to take it back as the technician that worked on it had not tightened the display brackets up leaving it a bit floppy.
Now I have serious issues with it. Recently the MacBook has been suffering from freezing up, booting issues and the display randomly shutting off (going black, no pixelating or anything) to the point the machine has become unusable. 2 days ago I took the MBP along to an appointment at the Genius Bar at London's Regent Street Apple Store, I also took along a copy of an Apple knowledge base article regarding this very issue. The knowledge base suggests that on any OS below Mountain Lion a software update is required, for ML or Mavericks an appointment with a service agent is required. During the appointment the Mac Genius suggested it may be a software issue, they would wipe the system and re-install Mavericks then test the machine, I told him I had done this a few days earlier but I guess they have to follow process. He then went on to suggest the display may be faulty, I told him I had no reason to suspect that was the case and moved the screen forwards and backwards at varying speeds without a glimmer of a flicker. At this point after reading about this issue on various forums prior to the appointment I felt that the guy was trying to imply anything maybe at fault but deliberately steering clear of suggesting the logic board, this is just my gut feeling however and i'm perfectly capable of being wrong but I do not feel I am! Anyhow I then proceeded to demonstrate the issue whilst the machine was on, warmed up and right in front of him. I gently and slightly lifted the front left corner of the machine a little way off of the counter, just enough to obviously flex the logic board by a minuscule amount and immediately the display went into a frenzy of going off and on.
So I left the MBP with them for the guys to do their thing. Today I received the following email:
"We have attempted to repair your machine by erasing all the data off your machine and reinstalling the latest operating system, Mavericks. This has not resolved the issue of the screen going black when in use. The issue has occurred again for a very short and brief few times once the machine had fully turned on and after testing the issue did not appear again.
I'm sure the issue will more likely occur again, to repair the machine we would need to replace a part known as the main logic board. This repair is very expensive and will come roughly to £418.80."
£418.80 GBP, that's pretty much 25% of the original purchase price of the machine new, a Premium 'Pro' labelled machine just 3 years old at that. I cannot possibly afford to pay for the repair. I really despair.
This MBP has done no work hard enough for it to get stressed. It is used for some web surfing, online shopping, email, online flash based games but mostly for my kids homework. It has spent it's entire life on a table in our living room with the exception of it's Genius Bar trips.
I love Apple products, it's why as a family we own so many off them. Too many to list on a public forum as I don't want would be burglars inviting themselves around sometime. This issue has tainted my perception of both Apple and it's products. Not so much because of the fault, machines become faulty. No because it's a premium machine that cost me £2100 new and is little more than a paperweight at present just 3 years down the line. Some part of me if i'm honest was wishing but more than that expecting a company like Apple to say along the lines of "This has happened, it shouldn't have and will be repaired at no charge". There are many people suffering this kind of problem with this model and the existence of the knowledge base article must mean Apple knows it too. Just 3 years, £300 PCs last longer than that i'm sure. It does seem to be a very short lifespan for such a high end machine.
My apologies for droning on but I can neither afford the repair or do without the computer, my son is in his final GCSE year at school and my daughter in her pre GCSE year so a computer is critical for school homework research etc. I just do not know how to move forward, I haven't even picked the machine up yet!
This isn't a stomping Apple, one man crusade. I just need my MacBook fixed.
If anyone has had this problem and had it satisfactory resolved, knows who to speak to that may help resolve the issue please let me know.
Any other advice will be more than welcome.

Ive repaired 1000s of laptops over the years (translate: diagnose and replace parts).
Its not that old, Ive owned 100s of laptops (most were free) ....some I still have are nearly 13 years old and still perfect, ....some extremely expensive ones died in under a year.
other than becoming obsolete at some point, there isnt really any "will spoil on" data like Milk for solid state computer parts, ....alas.
You can have a $5000 laptop die in 4 months, and a junker one keep kicking after 10 years.... Ive seen that firsthand countless times.
Common logic dictates that "very expensive = long life" in computers,..... but all the repair people will tell you just the opposite.
I know you have a gripe, I get that all too well honestly .

Tiny burn on a functioning logic board causing dark screen!?

Hello everyone!!! Hoping someone can help me because i am totally STUMPED!
I have a 2010 macbook pro and the screen suddenly went dark. The computer works perfecty with an external monitor, so i assumed the backlight was just burnt out.
When i took it to the Apple Authorized Mac Support Store here in Brooklyn, they thought the same thing and kept it to replace the light. HOWEVER, a few days later when they called the said they had replaced the lights but the screeen was still black! So they opened up the computer and saw that there is a tiny burn on the logic board that is preventing my screen from lighting up.
I asked them if they can just fix the tiny burn but they said no, i would have to replace the entire logic board for close to $1000.
Question #1: Does this sound right??? As I said, the computer functions perfectly with an external monitor.
Question #2: If this is correct, is it possible to just fix the little burn instead of replacing the entire logic board? Some time of component repair?
Question #3: if i was able to find some place to fix the tiny burn rather than replace the entire logic board, are the chances high that i would have a problem again sometime in the near future?
I just dont want to go out and have the board replaced for close to $1000 and have the darn thing break a month later. I would be totally screwed. I desperately need this laptop for work!
Any help would be greatly appreciated!!!
Thank you so much!
Tracy

It is "broken" if it does not work when connected to good componets like a good screen.
Based on the phtos and desciption I say it is damaged.

13 Inch Macbook Pro Logic Board Failure

I've my 13 inch macbook pro (mid 2010) working fine till last week and all of a sudden it gone off while i'am working with it.
When i tried it it switch it on, it is not coming up back. No response at all, when i press the power button even the brething light is not coming up.
No issue with the battery as it is fully charged and even the MagSafe is connected.
I gave it to Apple authorised service center for repair, they initially asked 1000+ buck (INR) for checking it and after checking it i got a response that it is a logic board issue no power is being send to Logic board and it needs an expensive replacement of Rs 33,600.
Not sure why this logic board can't be repaired rather than an expensive replacement..??? Are they doing service or only replacements?
Bought it for 80k and spending another 35k in 3 years is the most annoying thing - a brand new windows laptop costs 35k
Thanks,
Subbu

Apple or an AASP do not "service" logic boards...everything is soldered in place...they replace them.

'08MBP w/Nvdia 8600, could this be the screen itself, rather than card/logic board?

Ok, so I got a new-to-me MB Pro4,1 (A1260) off eBay about two months ago. Love it!!! I've been a Mac user since they were just called Apples, but this is my first laptop. It has Mountain Lion on it, but came with the original install CD, which I think was 10.6. (I'd have to track down my super-safe place I stored it to be sure.)
Unfortunately I didn't know about the faulty graphics card issue until I started having problems with my screen not coming on when I'd wake it after a sleep. And, it would get REALLY hot, directly behind the battery, particularly when running things like SketchUp. It would also, occasionally, throw out Asian-ish characters when dialog boxes would pop up.
A couple of times I had to do the shut-the-lid-reopen-it trick and then it'd hum along with no issues. Monday it wouldn't come on at all. Or rather, the screen wouldn't come on. The computer was obviously running just like always. I even tried plugging it in to a desktop monitor and still just a black screen. Did some research and found out about the graphics card issue.
That evening I opened it up and it came on like nothing had happened. So I set the screen-sharing permissions.
Tuesday, no issues.
Today it's doing the same as Monday. However, because I turned on my screen sharing, I've been able to access it from my desktop. Everything works fine...? (in fact, I DLed iStat onto it, via screen sharing, so I could check temps.) Just no screen. No shadows, no dim lights, nothing.
I just emailed my seller to see if he'd done the logic board replacement offered under Apple's extended warranty (that ran out in December) and am waiting to hear back.
What's the liklihood that this is just the screen, instead of the card/logic board? (The Asian characters make me think it might be logic board anyway... )

It's the bad graphics chip and the system will die soon.
Good Luck and Best wishes.

G5 Logic Board or Memory Issues?

Hello, about 2 months ago i recieved a 1GB Dimm for christmas, and being naive, i installed it in the slot above the 4 512MB RAMs that came with my computer. When the computer didnt recognize it i looked in the manual and found out that you are supposed to install them in matched pairs. Figuring i would lose the memory i left it in the computer for about a month. Then the trouble started. When waking from sleep or screensaver i would get the spinning color pinwheel which would NEVER stop and i would hard start using the button on the front. Problem was that the computer would not boot back up for hours. I would get to the grey apple screen and then after that a blank blue screen with the cursor, and that is as far as it would get. If i tried hours later it would eventually start up. When i decided to remove the 1GB RAM chip the computer worked for about a day then started the same problem. I wiped both my drives to zero and installed the system on my second drive. Again it worked for a day and then the same problem. Once the problem started it hasnt stopped yet, i cant get into my computer at all now and it has been several days. It wont boot from ANY volume. I brought it into Tek Serve in NYC and the said it could be the processor or logic board, but they wanted 700-1000 dollars to fix it. So i took it home and ran the apple hardware test cd. I ran the extended test first, then the quick test. Both times it said my logic board passed, harddrives passed, but when it got to the memory section it took a VERY long time, and eventually CRASHED my computer the screen turned into millions of bright colored bars and i would have to hard re-start it. Thinking it was bad RAM i removed all my RAM, and re-installed it in different orders and taking my computer from its factory 2GB down to 1GB to see if any of my chips had problems. I also hit the reset button under the RAM but it still never started and still had the same problem. So as of now i dont have a working computer, i called someone at apple tech support and told him the whole story. He said i should bring it it somewhere and maybe by putting in the extra mis-balanced 1GB chip maybe i overloaded my RAM sockets and fried that section of the logic board. Has anyone heard of this happening? I am reallly lost on this whole thing and would rather not pay $1000 to fix it (though i think maybe Tek Serve is just really expensive), but obviously a comparable new mac is 3x that amount anyway. PLEASE let me know if there is anything else you can think of, or let me know if i could have maybe infact overloaded my RAM and blown the logic board.
g5 dual 2.7 Mac OS X (10.4.8)

You can go to the Apple Support page and click on Check my Warranty, then enter your serial number (found in "about this Mac">more info) and you will see how long you have left on your Apple Care.

Imac late 2006. Is it my logic board?

Ok so I tried everything and its about to be a year. so ill just start from the beginning so around this time last year I Believe it was on Christmas eve or before it anyway's I decided to buy mac OSX snow leopard because my mac was still running on tiger so I went out to buy the disc etc and when I get home back up all my files an restart the computer and boot from the cd cause I was going to do a clean install I wipe out my hard drive and then when I go to install it I see a message saying I cant install it on this computer because I don't meet the ram requirements. and I was sort of stupid cause I didn't remember I was still running on 512 Mb of ram that came with my mac so now I have my computer wiped and I get a bit mad so I go to the apple store and they tell me its not really a big deal all I need to do is to buy at least 2 gigs of ram and I will have no problems installing it so he gives me a paper saying what ram I need to buy for my computer. so I go to fry's and buy a patriot 2 gig DDR2 SDRAM 667 MHz PC2-5300 unbuffered and all the stuff that makes the ram compatible with my mac so I go home open the ram access doors for the first time but before that the guy at the apple store showed me how to do it and there was an article on apples web site. after I put it in and re place the 512 Mb that came on the top slot I turn it on and and cross my fingers to hope it works and I get to the installation screen and let it install after 30 min or so I come back "installation complete" I was happy it worked and everything was fast huge upgrade from being stuck with tiger. so about 1 in a half month later I get on my mac and I hear 3 beeps and I start freaking out so I go on apple web site with my iPod and there I learned that the 3 beeps meant bad ram. so I go to the Apple store and they tell me patriot doesn't really work well on IMac's so I go to fry's and get a new 2 gig but this time a Kingston. I get home put it in (same slot) turn it on and it works! so about 2 months later I'm thinking I want to upgrade my computer to 4 gigs but then one day I turn on my comp and same thing! so I go to fry's get 4gigs (2: 2gigs) get home and this time I install for the very first time a ram in the bottom slot ( so now I got 2gig on top and 2 gig on bottom slow) turn on the computer. and..... beep.....beep......beep the same thing I have got these past months 3 beeps( and if your wondering it is the right ram and all) so at this point I don't know what to do so I take the ram out. and I do nothing a few weeks later I go to fry's to get some of my money back because it was like 50 dollars and get just a single 2 gig get home put it in and it beeps for a tiny sec then suddenly stops and I see the apple logo. after a few weeks it did the same thing but this time I took out my 2 gig and let it sit out side and like one day later I put in the ram it came with 512 and it worked but it was really slow. so one last time went to the apple store and the guy told me it was a bad logic board and that it would be pricey to fix it. so after that from that day till this day Wednesday, December 21 my mac just turns on when it wants to and doesn't turn on and gives me 3 beeps. around September of this year I had my mac turning on successfully with no beeps running on 512 Mb of ram until on Oct I turn it on and 3 beeps. my 2 gig of ram the month before that got chipped of by the clips on my iMac( and by the way all this time I have not been forcing it to go in etc and adding to much force to get it damaged. so now basically my mac could go for 3 weeks then one day you can turn it on and others were I'm stuck with 3 beeps. and even some times I turn it on it does 3 beeps for one round and suddenly out of no were stops and boots up. I really like this mac although I cant upgrade past snow leopard but its the only good computer I have right now cause when this computer acts up i have to use my stupid slow windows vista laptop, and this is my last chance to see if anyone could help me cause I tried everything Excuse me from my grammar and spelling but I want to try and make this as quick and legible as I can.
Thank you very much for your time and Merry Christmas!

That iMac 4,1 Core Duo is an Early 2006 model that only supports 2x1GB modules for a total of 2GB.
See > iMac (Early 2006) - Technical Specifications

Issues with internet connection. Logic board?

I have a 17" MacBook Pro (Late 2008) 2.5 GHz Intel Core 2 Duo, serial ...GV3R9. More often than not my internet gets disconnected. The Wi-Fi icon indicates it is ON, but there is no connection at all. Then if I manually turn OFF the Wi-Fi, it won't turn back ON again until I restart my computer, sometimes more than once until the internet connection is active again. I could not identify a pattern of when the Wi-Fi turns OFF. I suspect something could be wrong with the Logic Board, but I don't know how to diagnose it. Any ideas?

Does this WIFI issue happen everywhere (other networks outside your home) or is it limited to your home WIFI network? If it's just your home, then the problem is with your home router. If the problem is everywhere, then it's suggested that you back up all your personal data and then erase and reload the OS on the laptop first and retest the wireless capabilities before loading anything back on it. If it works fine, then it was just a borked OS load. Restore your stuff and go from there. If it behaves the same way, then it could be hardware related, but it's probably just the WIFI card on it and not the entire logic board.

Problem with display, sound...logic board?

Hello,
I hope someone can help me with the issue I am facing. I am using an early 2008 Macbook Pro laptop and just recently I noticed an obvious ongoing sound that I can actually only explain it by inserting a recording of it but I am not sure if I am able to do that in here. Then all of a sudden the cursor became like this (instead of the usual arrow):
http://media-cache-ec0.pinimg.com/236x/ff/76/08/ff7608f6300b109e69f992f699809c4a .jpg
and became unresponsive to whatever I clicked on...
Also the keys didn't work so I wasn't able to do any shortcuts..
I tried closing the shell and reopening it but this time, the display's brightness became dark but I could still see what was open when I put a flashlight at the display (it was at 0 brightness)
I had no choice but to shut it down by pressing the on/off button and when it shut down, the clicking sound didn't come on like it always did before, but it was a soft shutdown.
After I turned it on, the light on the front bottom turned on but for a few seconds only. Now it's not on at all (not blinking like it used to)
By the way, I got my logic board replaced by paing $310 due to failure last summer so I am just really worried it may be the samething?? This is ridiculous if that's the case because I have no warranty and it's not even a year old!

I have the exact same problem on the exact same model. Got the problem after ~2.5 years of purchase of the laptop. The service center guys couldn't find a new motherboard here in India, so they imported a similar on of Compaq brand with a different graphic chip on it (ATI Radeon HD6300M) after a month or so. But I'm facing the issues again after 6 months and I'm out of my extended warranty now.
What did you do to fix the problem?

After Logic Board replacement Built in Display not working but External Monitor is

Had to replace logic board in my Mid 2009 17' MBP as it wasn't powering up at all.
Since putting in refurbished logic board MBP powers up and actually works perfectly with an external monitor but built in display is dead.
In 'About My Mac' initially it showed Color LCD as being connected., but now it doent.
Can anyone tell me if this is a problem of the refurbushed logic bioard from this ionfo - or if there is a w ay of being 100% sure that it is the logic board and not the display.
Best
Tommy Banana

Shine a bright light at the screen and see if the picture is there, but the backlight is not there.
Working inside MacBook is very fussy work, and it is far too easy to make connections that seem fine, but do not quite work, or to disturb earlier work during re-assembly. Just to vex you even more, the screen connections go through the hinge area, and are subject to constant movement and stress.
I tend to first blame the last thing you changed (working inside your Mac in this case) as the source of the problem over random failure, until I can use classic techniques (such as substituting know-good parts) to rule random failures in or out.
If you did not follow proper grounding and static-elimination techniques, you can cause major damage inside. Tiny shocks can ruin electronics long before you feel the spark.

Logic board Q

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